/*rem降级 */ 
@function calculateRem($size: 12) {
  $remSize: $size / 12px;
  @return $remSize * 1rem;
}
@mixin ell{
	overflow:hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
@mixin break{
	word-break: break-all;
	word-wrap: break-word;
}
@mixin mulell($n){
	text-overflow:ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: $n;
    -webkit-box-orient:vertical;
}

a,button,input,optgroup,select,textarea{
    -webkit-tap-highlight-color: rgba(0,0,0,0);
	font-family: "Microsoft Yahei","Helvetica Neue", Helvetica, sans-serif;
}
a{
	text-decoration: none;
}
ul,li,ol{
	list-style: none;
}
em,i{
	font-style: normal;
}
img{
	border: 0;
}
div{
	box-sizing: border-box;
}
div,span,p,h1,h2{
	-webkit-user-select:none;
	-moz-user-select:none;
	-ms-user-select:none;
	user-select:none;
}
button,input,select,textarea{
	outline: none;
}
.flex{
	display:-webkit-box;
	display:-webkit-flex;
	display:-ms-flexbox;
	display:flex;
	display: -moz-box;
}
.flex-1{
	-webkit-box-flex:1;
	-webkit-flex:1;
	-ms-flex:1;
	flex:1;
}
.clear{
	clear: both;
}
.hidden{
	display: none;
}
.show{
	display: block;
}
